Ir‐ra″di‐ate (–āt), v. t. [imp. & p. p.Irradiated (–ā′tĕd); p. pr. & vb. n.Irradiating (–ā′tĭng).] [L. irradiatus, p. p. of irradiate. See In-in, and Radiate.]
1. To throw rays of light upon; to illuminate; to brighten; to adorn with luster.
Thy smile irradiates yon blue fields. Sir W. Jones.
2. To enlighten intellectually; to illuminate; as, to irradiate the mind. Bp. Bull.
3. To animate by heat or light. Sir M. Hale.
4. To radiate, shed, or diffuse.
A splendid façade,... irradiating hospitality. H. James.